Finding the Fourth Proportional to 1,893,615.30, 2,613,192.03 and 1,077,818.99
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Solution
The fourth proportional to 1,893,615.30, 2,613,192.03 and 1,077,818.99 is: 1,487,391.86
Step by Step Solution
- Step 1: Write the proportion equation
1,893,615.30 : 2,613,192.03 = 1,077,818.99 : x - Step 2: Convert to fraction form
1,893,615.30/2,613,192.03 = 1,077,818.99/x - Step 3: Cross multiply
1,893,615.30x = 2,613,192.03 × 1,077,818.99 - Step 4: Simplify right side
1,893,615.30x = 2,816,547,981,384.69 - Step 5: Solve for x
x = 2,816,547,981,384.69/1,893,615.30 - Step 6: Final answer
x = 1,487,391.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.